44FC31225A KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 44FC31225A |
| Series: | HM237500 |
| Cone Part Number: | HM237534 |
| Cup Part Number: | HM237513 |
| Design Units: | Imperial |
| Bearing Weight: | 17.6 Kg |
| Cage Type: | Stamped Steel |
| d: | 165.1 mm |
| D: | 289.974 mm |
| PDF |
44FC31225A |
Product Details
| Series | HM237500 |
| Cone Part Number | HM237534 |
| Cup Part Number | HM237513 |
| Design Units | Imperial |
| Bearing Weight | 17.6 Kg |
| Cage Type | Stamped Steel |
| d | 165.1 mm |
| D | 289.974 mm |
| B - Cone Width | 68.263 mm |
| C - Cup Width | 48.001 mm |
| B | 63.503 mm |
| R - Cone Backface To Clear Radius1 | 3.300 mm |
| r - Cup Backface To Clear Radius2 | 3.05 mm |
| da - Cone Frontface Backing Diameter | 183.90 mm |
| db - Cone Backface Backing Diameter | 187.96 mm |
| Da - Cup Frontface Backing Diameter | 272.00 mm |
| Db - Cup Backface Backing Diameter | 266.95 mm |
| Ab - Cage-Cone Frontface Clearance | 3 mm |
| Aa - Cage-Cone Backface Clearance | 4.6 mm |
| a - Effective Center Location3 | -11.7 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 48800 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 188000 lbf |
| C0 - Static Radial Rating | 254000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 26600 lbf |
| K - Factor7 | 1.83 |
| e - ISO Factor8 | 0.32 |
| Y - ISO Factor9 | 1.88 |
| G1 - Heat Generation Factor (Roller-Raceway) | 704.9 |
| G2 - Heat Generation Factor (Rib-Roller End) | 95.5 |
| Cg - Geometry Factor | 0.114 |
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